From: Hans Hagen via ntg-context <ntg-context@ntg.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Cc: Hans Hagen <j.hagen@xs4all.nl>, mickep@gmail.com
Subject: Re: OT world history: other measuring systems?
Date: Wed, 26 Jan 2022 10:36:21 +0100 [thread overview]
Message-ID: <17cf30dc-c9c9-432d-58b0-63b8b28308ba@xs4all.nl> (raw)
In-Reply-To: <7c0ecc3c-d35b-2df1-6393-9234ce8e4a45@free.fr>
On 1/26/2022 10:23 AM, Jean-Pierre Delange via ntg-context wrote:
> In line with what Otared writes about the measurement of distances in
> the context of Persia and ancient Rome, I am always very surprised to
> see the precision of the measurements in the evaluation of the
> circumference of the earth by Eratosthenes of Cyrene. What intrigues me
> is not really the geometry calculations involved, but the calculation of
> the distance between Aswan and Alexandria. There is little information
> on the taking of this measurement: is it Egyptian surveyors (bematists:
> https://en.wikipedia.org/wiki/Bematist) or the use of an instrument
> equivalent to a pedometer? see here:
> https://en.wikipedia.org/wiki/Eratosthenes
Eratosthenes of Cyrene was a Greek polymath ...
Ah ... that makes a great subtitle for Mikaels upcoming math manual: "A
manual for polymathematicians"
A polymath (Greek: πολυμαθής, polymathēs, "having learned much";
and then we can talk 'polymathematical typesetting' and such (I'm sure
that Arthur can come up with a reflective historical tex-talk.)
Hans
-----------------------------------------------------------------
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-----------------------------------------------------------------
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage : http://www.pragma-ade.nl / http://context.aanhet.net
archive : https://bitbucket.org/phg/context-mirror/commits/
wiki : http://contextgarden.net
___________________________________________________________________________________
next prev parent reply other threads:[~2022-01-26 9:36 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-25 9:44 Henning Hraban Ramm via ntg-context
2022-01-25 17:27 ` Aditya Mahajan via ntg-context
2022-01-25 17:45 ` Hans Hagen via ntg-context
2022-01-25 19:41 ` Henning Hraban Ramm via ntg-context
2022-01-25 23:20 ` Hans Hagen via ntg-context
2022-01-25 19:28 ` Henning Hraban Ramm via ntg-context
2022-01-25 20:31 ` Jean-Pierre Delange via ntg-context
2022-01-25 23:17 ` Hans Hagen via ntg-context
2022-01-26 8:41 ` Otared Kavian via ntg-context
2022-01-26 8:58 ` Hans Hagen via ntg-context
2022-01-26 9:23 ` Jean-Pierre Delange via ntg-context
2022-01-26 9:36 ` Hans Hagen via ntg-context [this message]
2022-01-26 21:07 ` jbf via ntg-context
2022-01-26 21:43 ` Hans Hagen via ntg-context
2022-01-27 7:23 ` BPJ via ntg-context
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=17cf30dc-c9c9-432d-58b0-63b8b28308ba@xs4all.nl \
--to=ntg-context@ntg.nl \
--cc=j.hagen@xs4all.nl \
--cc=mickep@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).